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Finding the Third Proportional to 3,525 and 7,710

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Solution

The third proportional to 3,525 and 7,710 is: 16,863.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525 : 7,710 = 7,710 : x
  2. Step 2: Convert to fraction form
    3,525/7,710 = 7,710/x
  3. Step 3: Cross multiply
    3,525x = 7,710 × 7,710
  4. Step 4: Simplify right side
    3,525x = 59,444,100
  5. Step 5: Solve for x
    x = 59,444,100/3,525
  6. Step 6: Final answer
    x = 16,863.57

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.